diff --git a/playbooks/include/proxies-websites.yml b/playbooks/include/proxies-websites.yml
index ac422404ba..99fef15cbb 100644
--- a/playbooks/include/proxies-websites.yml
+++ b/playbooks/include/proxies-websites.yml
@@ -158,6 +158,7 @@
     server_aliases:
     - mirrors.stg.centos.org
     cert_name: "{{mirrors_centos_org_cert_name}}"
+    SSLCertificateChainFile: mirrors.stg.centos.org.intermediate.cert
     when: env == "staging"
 
   - role: httpd/website